Brake-shoe.



PATENTED MAY 28, 1907.

w. G. GRANT. BRAKE $1103.

AYPLIUATION FILED AUG.31,1906.

Fig

fl EEEZE /NVENTOR .8) g (:6 ATTOHNE-Y WILLIAM e.- GRANT, or SUFFERN, NEW YORK,

citizen of the United States, and a of New York, h

' or other tough or ducti part, and in order to assist looking or anchoring the openings 1s slitted as shown at 0,1), that is, f for a short distance at ri UNITED STATES PATENT OFFICE.

ASSIGNOR, BY MESNE AS- FOUNDRY COMPANY, or on NEW JERSEY.

, SIGNMENTS,*TO AMERICAN BRAKE SHOE &' JERSEYv CITY, NEW JERSEY, A CORPORATION BRAKE-SHOE.

N 0. 854,733. Specification of Letters Patent.

' Patented May'28,1907. Application filed August 31, 1906. Serialliu. 332,790.

To all whom it may concern: Be 1t known that I, WILLIAMG. GRANT, a resident of of Rockland and State Sufl'ern, in the county H, being free. As illustrated in Figs. 2, 3 and twisted where joined to the side edges of the plate A, and bent in opposite directions across the latter in such way as to form a sectional loop or key-lug, the free end of one strip or sectionedge where the other strip. end formed integral with the plate. -If desired, the length of the slits may be increased, as illustrated at C DE -(Fig. 5), length of the sections that the free ends G H may be bent under the bottom of the-plate A, as clearly shown tam new and useful Im 'ro'vements in Brake- Shoes, of which thefol l t1on. My invention relates to brake shoes, and more part or portion thereof referred to as the steel an improvement in particularly to that ly known and back, that is, the plate located at or adjacent to the back of a steel back shoe, the object being to'provide a plate of this character wherein the key-lug may be made integral with the plate, and this without the loss of any material. Y

A further object of my invention is to produce a plate having the key-lug f rmed inte-' gral therewith, and having its free ends so locked to the plate as to obviate all danger of. 1its becoming broken or detached from the atter.

d all movement. A key-lug so formed steel back strength, and being formed integral with the plate itself, obviates the necessity of assem' lin the parts prior to being placed inthe With these and other ends in view, the in- .mol as 1s the case 'when'the key-lugs are vention consists 1n certain novel featur s of made'separate from the plate. construction, as will be hereinafter fully. deaving fully described my invention, what,

scribed and pointed out in the claims.

In-t e accompanying drawings, Fi re 1 is a plan'view of a plate at one stage 0 its formation. Fig. 2 1s asimilarview of the finis'hed plate. Fig. 3 is a perspective-view thereof. Fig. 4 is a sectional view of'the Fig. 5 is a plan view of a modified form of the plate prlor' to its completion, and Fig. 6 a sectional view of thesameafter completion. i

Referrin to the drawings, A represents a plate usually known and referred to as a steel back, preferabl made of sheet steel, e metal, curved in itslen th to conform to the curvature of the bra e shoe, and somewhat shorter andnarrower than the shoe of which it'is to form a i which itis to beglo'cated at or ad acent to the back thereof. As' is usual in plates adapted for purposes, it is p claim asnew and desire ters Patent, is

1 A brake shoe back comprisin a single plate of substantially uniform widt having a key-lu I ofisaid p ate, substantially as described.

2. A brake shoe back 0 prising a sin le plate of substantially uniform width, an a sectional key-lug formed from the metal of said plate, substantially as described.

3. brake shoe back com risinga plate of substantially uniform width having a sectional key-lug formed from the metal at the opposite sides of said plate, substantially as described.

4. A brake shoe back comprising a plate of substantially uniform width having portions of its sides bent in op 'versely across substantially as described.

to secure by Letformed from the metal at the side osite directions trans 4, these strips or sections E, F, are slightly.

whereby the E, F, 1s so increased 1s possessed-of. great TOO rovided with'the holes or openings-B, through v 5 A back plate for use'in brake shoes, which the cast metal lsallowed to flow 1n comprising a plate having its opposite sides 7 slitted, the slitted portions of the ee at one end and ormin an integral stantia plate being bent across the plate sectional key-lug, sub,- as described.

same in place. The plate between these ht anglesto the side 1 l rake shoe back comprising a 'plate' 70 in Fig. 6, thereby locking said-ends against 2 amass 5 7'. A back plate for use in a brake shoe, I

comprising a late having'its opposite sides slitted, said. s itted portions being bent in opposite directions across said plate and havtheir free ends bent under said plate,

10 forming a sectional integral key-lug, substantia ly as described.

' 8. A back plate for use in a brake shoe, comprising a plate slitted for a short distance at nghtangles to the-side edge and for a 15 greater distance parallel therewith, the resulting strip being bent transversely acrossthe plate to form the key-lug, substantially as described.

9; A brake shoe back comprising a plate and having an integral lug divided trans- 2o versely of its lengt substantially as described.

'S'i ned atNewYork,borou in t e county-ofNew Yor h of Manhattan, and State of New York, this 29th day of August, A. D. 2 5

' WILLIAM G. GRANT. Witnesses:

M. VAN NQRTWICK,

N. B. SMITH. 

